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Network Management Card: Quick Configuration
50 NetworkAIR IR Operation, Maintenance, and Troubleshooting
DHCP. You can use a RFC2131/RFC2132-compliant DHCP server to configure the TCP/IP settings
for the Network Management Card.
1. A Network Management Card sends out a DHCP request that uses the following to identify
itself:
– A Vendor Class Identifier (APC by default)
– A Client Identifier (by default, the Network Management Card’s MAC address value)
– A User Class Identifier (by default, the identification of the Network Management Card’s
application firmware)
2. A properly configured DHCP server responds with a DHCP offer that includes all of the
settings that the Network Management Card needs for network communication. The DHCP
offer also includes the Vendor Specific Information option (DHCP option 43). By default, the
Network Management Card will ignore DHCP offers that do not encapsulate the APC cookie in
the Vendor Specific Information option using the following hexadecimal format:
Option 43 = 01 04 31 41 50 43
where
– the first byte (
01) is the code
– the second byte (
04) is the length
– the remaining bytes (
31 41 50 43) are the APC cookie
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This section briefly summarizes the Network Management Card communication
with a DHCP server. For more information about how a DHCP server is used to
configure the network settings for a Network Management Card, see “DHCP
Configuration” in the User’s Guide.
See your DHCP server documentation to add code to the Vendor Specific Information
option. To disable the APC cookie requirement, see “Local access to the control
console” on page 51.
To change the control console’s DHCP Cookie Is setting, use the Advanced option in
the TCP/IP menu. See “Remote access to the control console” on page 52.